aug 31, 1517 - The decline of Post-classic period

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The Post-classic period comes to an end with the arrival of the Spanish and conquistador Hernández de Córdoba.The Spanish first arrived on the shores of Yucatán under Hernandez de Cordoba, who later dies of wounds received in battle against the Maya. The arrival of the Spanish ushers in Old World diseases unknown among the Maya, including smallpox, influenza, and measles. Within a century, 90 percent of Mesoamerica's native populations will be killed off.

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